/* ========================================
   CSS Variables - Editorial Luxury Theme
   ======================================== */

:root {
    /* Colors */
    --color-bg-primary: #1a1a1a;
    --color-bg-secondary: #252525;
    --color-bg-tertiary: #2f2f2f;

    --color-text-primary: #f5f5f5;
    --color-text-secondary: #c4c4c4;
    --color-text-tertiary: #8a8a8a;

    --color-accent-gold: #d4af37;
    --color-accent-gold-dim: #b8963020;

    --color-border: #3a3a3a;
    --color-overlay: rgba(26, 26, 26, 0.95);

    /* Typography */
    --font-display: 'Cormorant Garamond', serif;
    --font-body: 'Raleway', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Layout */
    --container-max: 1400px;
    --container-padding: 2rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
}

/* ========================================
   Base Styles
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: inherit;
    text-decoration: none;
}

button {
    font-family: inherit;
    border: none;
    background: none;
    cursor: pointer;
    color: inherit;
}

/* ========================================
   Navigation
   ======================================== */

.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--color-overlay);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    transition: transform var(--transition-medium);
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 1.5rem var(--container-padding);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    transition: opacity var(--transition-fast);
}

.nav-logo:hover {
    opacity: 0.7;
}

.logo-accent {
    color: var(--color-accent-gold);
    font-weight: 300;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-link {
    position: relative;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    transition: color var(--transition-fast);
}

.nav-link .link-underline {
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent-gold);
    transition: width var(--transition-medium);
}

.nav-link:hover .link-underline,
.nav-link.active .link-underline {
    width: 100%;
}

.nav-link.active {
    color: var(--color-accent-gold);
}

.nav-link-cta {
    padding: 0.6rem 1.5rem;
    background: var(--color-accent-gold-dim);
    border: 1px solid var(--color-accent-gold);
    border-radius: 2px;
    color: var(--color-accent-gold);
    transition: all var(--transition-fast);
}

.nav-link-cta:hover {
    background: var(--color-accent-gold);
    color: var(--color-bg-primary);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-bg-secondary);
    border-radius: 20px;
    font-size: 0.85rem;
}

.user-indicator {
    width: 8px;
    height: 8px;
    background: var(--color-accent-gold);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 0.5rem;
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-fast);
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background: var(--color-overlay);
    backdrop-filter: blur(20px);
    z-index: 999;
    transition: right var(--transition-medium);
    padding: 6rem 2rem 2rem;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mobile-link {
    font-size: 1.2rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
    transition: color var(--transition-fast);
}

.mobile-link:hover {
    color: var(--color-accent-gold);
}

.mobile-link-cta {
    background: var(--color-accent-gold-dim);
    border: 1px solid var(--color-accent-gold);
    color: var(--color-accent-gold);
    padding: 1rem 1.5rem;
    text-align: center;
    border-radius: 2px;
}

.mobile-user {
    margin-top: auto;
    padding: 1rem;
    background: var(--color-bg-secondary);
    border-radius: 8px;
    text-align: center;
}

/* ========================================
   Main Content
   ======================================== */

.main-content {
    margin-top: 80px;
    min-height: calc(100vh - 80px);
}

/* ========================================
   Hero Section
   ======================================== */

.hero {
    position: relative;
    padding: var(--spacing-xl) var(--container-padding);
    text-align: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, var(--color-accent-gold-dim) 0%, transparent 50%);
    opacity: 0.3;
    animation: rotate 30s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero-label {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent-gold);
    margin-bottom: 1.5rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 400;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto 2rem;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.hero-accent {
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-accent-gold), transparent);
    margin: 0 auto;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   Galleries Section
   ======================================== */

.galleries-section {
    padding: var(--spacing-lg) var(--container-padding);
}

.galleries-container {
    max-width: var(--container-max);
    margin: 0 auto;
}

.galleries-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 3rem;
}

.gallery-card {
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards;
}

.gallery-link {
    display: block;
    position: relative;
}

.gallery-image-wrapper {
    position: relative;
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--color-bg-secondary);
    margin-bottom: 1.5rem;
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-tertiary);
}

.placeholder-icon {
    width: 64px;
    height: 64px;
    opacity: 0.3;
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: var(--color-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.gallery-view {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent-gold);
    padding: 1rem 2rem;
    border: 1px solid var(--color-accent-gold);
    background: var(--color-accent-gold-dim);
    transform: translateY(20px);
    transition: all var(--transition-medium);
}

.gallery-link:hover .gallery-image {
    transform: scale(1.05);
}

.gallery-link:hover .gallery-overlay {
    opacity: 1;
}

.gallery-link:hover .gallery-view {
    transform: translateY(0);
}

.gallery-info {
    position: relative;
}

.gallery-name {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    transition: color var(--transition-fast);
}

.gallery-link:hover .gallery-name {
    color: var(--color-accent-gold);
}

.gallery-description {
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.gallery-meta {
    display: flex;
    gap: 1.5rem;
    margin-top: 1rem;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
}

.meta-icon {
    width: 16px;
    height: 16px;
    stroke-width: 1.5;
}

.gallery-arrow {
    position: absolute;
    right: 0;
    top: 0;
    width: 24px;
    height: 24px;
    color: var(--color-accent-gold);
    opacity: 0;
    transform: translateX(-10px);
    transition: all var(--transition-medium);
}

.gallery-link:hover .gallery-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* ========================================
   Gallery Detail Page
   ======================================== */

.gallery-header {
    padding: var(--spacing-lg) var(--container-padding) var(--spacing-md);
}

.gallery-header-container {
    max-width: var(--container-max);
    margin: 0 auto;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    margin-bottom: 2rem;
    color: var(--color-text-tertiary);
}

.breadcrumb-link {
    transition: color var(--transition-fast);
}

.breadcrumb-link:hover {
    color: var(--color-accent-gold);
}

.breadcrumb-separator {
    color: var(--color-text-tertiary);
}

.breadcrumb-current {
    color: var(--color-text-primary);
}

.gallery-header-content {
    max-width: 800px;
}

.gallery-header-title {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 500;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.gallery-header-description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.gallery-header-meta {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.header-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-tertiary);
}

.gallery-header-accent {
    width: 60px;
    height: 2px;
    background: var(--color-accent-gold);
}

/* ========================================
   Photos Grid (Masonry)
   ======================================== */

.photos-section {
    padding: var(--spacing-md) var(--container-padding) var(--spacing-lg);
}

.photos-container {
    max-width: var(--container-max);
    margin: 0 auto;
}

.photos-grid {
    column-count: 3;
    column-gap: 2rem;
}

.photo-item {
    break-inside: avoid;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
    animation-delay: calc(var(--photo-index, 0) * 0.05s);
}

.photo-button {
    width: 100%;
    text-align: left;
    cursor: pointer;
}

.photo-image-wrapper {
    position: relative;
    overflow: hidden;
    background: var(--color-bg-secondary);
    margin-bottom: 1rem;
}

.photo-image {
    width: 100%;
    height: auto;
    display: block;
    transition: transform var(--transition-slow);
}

.photo-button:hover .photo-image {
    transform: scale(1.03);
}

.photo-overlay {
    position: absolute;
    inset: 0;
    background: rgba(26, 26, 26, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.photo-button:hover .photo-overlay {
    opacity: 1;
}

.photo-expand-icon {
    width: 48px;
    height: 48px;
    color: var(--color-accent-gold);
    transform: scale(0.8);
    transition: transform var(--transition-medium);
}

.photo-button:hover .photo-expand-icon {
    transform: scale(1);
}

.photo-caption {
    padding: 0.5rem 0;
}

.photo-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.photo-description {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.photo-download {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--color-accent-gold);
    border: 1px solid var(--color-accent-gold);
    background: var(--color-accent-gold-dim);
    transition: all var(--transition-fast);
}

.photo-download:hover {
    background: var(--color-accent-gold);
    color: var(--color-bg-primary);
}

.photo-download svg {
    width: 16px;
    height: 16px;
}

/* ========================================
   Lightbox
   ======================================== */

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}

.lightbox-content {
    position: relative;
    width: 90vw;
    height: 90vh;
    max-width: 1600px;
    display: flex;
    flex-direction: column;
    animation: scaleIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.lightbox-close {
    position: absolute;
    top: -60px;
    right: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
    z-index: 10;
}

.lightbox-close:hover {
    color: var(--color-accent-gold);
    transform: rotate(90deg);
}

.lightbox-close svg {
    width: 24px;
    height: 24px;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
    z-index: 10;
}

.lightbox-nav:hover {
    background: var(--color-accent-gold);
    color: var(--color-bg-primary);
}

.lightbox-prev {
    left: -80px;
}

.lightbox-next {
    right: -80px;
}

.lightbox-nav svg {
    width: 32px;
    height: 32px;
}

.lightbox-image-container {
    position: relative;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.lightbox-image {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox-image.loaded {
    opacity: 1;
}

.lightbox-loading {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-accent-gold);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.lightbox-info {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 2rem 0 0;
    color: var(--color-text-primary);
}

.lightbox-caption {
    flex: 1;
}

.lightbox-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.lightbox-description {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.lightbox-counter {
    font-size: 0.9rem;
    color: var(--color-text-tertiary);
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
}

.lightbox-download {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-weight: 500;
    color: var(--color-accent-gold);
    border: 1px solid var(--color-accent-gold);
    background: var(--color-accent-gold-dim);
    transition: all var(--transition-fast);
}

.lightbox-download:hover {
    background: var(--color-accent-gold);
    color: var(--color-bg-primary);
}

.lightbox-download svg {
    width: 20px;
    height: 20px;
}

/* ========================================
   Empty States
   ======================================== */

.empty-state,
.empty-gallery {
    padding: var(--spacing-xl) var(--container-padding);
    text-align: center;
}

.empty-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 2rem;
    color: var(--color-text-tertiary);
    opacity: 0.3;
}

.empty-icon svg {
    width: 100%;
    height: 100%;
}

.empty-title {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.empty-text {
    color: var(--color-text-secondary);
    max-width: 500px;
    margin: 0 auto 2rem;
    line-height: 1.8;
}

.empty-link {
    color: var(--color-accent-gold);
    text-decoration: underline;
    transition: opacity var(--transition-fast);
}

.empty-link:hover {
    opacity: 0.7;
}

.empty-button {
    display: inline-block;
    padding: 1rem 2rem;
    font-weight: 500;
    color: var(--color-accent-gold);
    border: 1px solid var(--color-accent-gold);
    background: var(--color-accent-gold-dim);
    transition: all var(--transition-fast);
}

.empty-button:hover {
    background: var(--color-accent-gold);
    color: var(--color-bg-primary);
}

/* ========================================
   Footer
   ======================================== */

.main-footer {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg) var(--container-padding) var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.footer-container {
    max-width: var(--container-max);
    margin: 0 auto;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-text {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-link {
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-accent-gold);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
}

.footer-copyright {
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
}

.footer-accent {
    width: 60px;
    height: 2px;
    background: var(--color-accent-gold);
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 1024px) {
    :root {
        --spacing-xl: 4rem;
        --spacing-lg: 3rem;
    }

    .nav-links {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .galleries-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 2rem;
    }

    .photos-grid {
        column-count: 2;
        column-gap: 1.5rem;
    }

    .lightbox-nav {
        width: 48px;
        height: 48px;
    }

    .lightbox-prev {
        left: 10px;
    }

    .lightbox-next {
        right: 10px;
    }
}

@media (max-width: 768px) {
    :root {
        --container-padding: 1.5rem;
        --spacing-md: 1.5rem;
    }

    .hero {
        padding: var(--spacing-lg) var(--container-padding);
    }

    .galleries-grid {
        grid-template-columns: 1fr;
    }

    .photos-grid {
        column-count: 1;
    }

    .lightbox-content {
        width: 95vw;
        height: 95vh;
    }

    .lightbox-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .lightbox-close {
        top: -50px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .gallery-header-meta {
        flex-direction: column;
        gap: 0.5rem;
    }

    .lightbox-nav {
        width: 40px;
        height: 40px;
    }

    .lightbox-nav svg {
        width: 20px;
        height: 20px;
    }
}

/* ========================================
   Utility Classes
   ======================================== */

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}